CA3151419C - Electrical steel sheet with insulating film - Google Patents

Electrical steel sheet with insulating film Download PDF

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Publication number
CA3151419C
CA3151419C CA3151419A CA3151419A CA3151419C CA 3151419 C CA3151419 C CA 3151419C CA 3151419 A CA3151419 A CA 3151419A CA 3151419 A CA3151419 A CA 3151419A CA 3151419 C CA3151419 C CA 3151419C
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Canada
Prior art keywords
insulating film
steel sheet
rolling direction
fibrous material
length
Prior art date
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CA3151419A
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English (en)
French (fr)
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CA3151419A1 (en
Inventor
Takashi Terashima
Karin Kokufu
Makoto Watanabe
Toshito Takamiya
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JFE Steel Corp
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JFE Steel Corp
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Priority claimed from PCT/JP2020/024932 external-priority patent/WO2021084793A1/ja
Publication of CA3151419A1 publication Critical patent/CA3151419A1/en
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • C—CHEMISTRY; METALLURGY
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    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
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    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
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    • B05D1/00—Processes for applying liquids or other fluent materials
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C21D8/1288—Application of a tension-inducing coating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium

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  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
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  • Child & Adolescent Psychology (AREA)
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JPS5652117B2 (ja) 1973-11-17 1981-12-10
JPH064507B2 (ja) * 1988-10-21 1994-01-19 三井造船株式会社 低熱膨張コージェライトの製造方法
JP3475258B2 (ja) * 1994-05-23 2003-12-08 株式会社海水化学研究所 セラミック被膜形成剤およびその製造方法
JPH0867913A (ja) 1994-08-24 1996-03-12 Nippon Steel Corp 鉄損の小さい珪素鋼板及びその製造法及び使用法
JPH08239771A (ja) * 1995-03-02 1996-09-17 Nippon Steel Corp 高張力絶縁被膜を有する方向性電磁鋼板とその絶縁被膜形成方法
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JP2005133149A (ja) * 2003-10-30 2005-05-26 Nippon Steel Corp 電気伝導性に優れた表面処理金属材料
BRPI0520381B1 (pt) 2005-07-14 2016-03-08 Nippon Steel & Sumitomo Metal Corp agente de película isolante para chapa de aço elétrico com grãos orientados que não contém cromo.
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US20220145472A1 (en) * 2019-03-25 2022-05-12 Nippon Steel Corporation Coating agent for forming grain-oriented electrical steel sheet coating and method for manufacturing grain-oriented electrical steel sheet

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KR20220065863A (ko) 2022-05-20
EP4026930A1 (en) 2022-07-13
US20240102172A1 (en) 2024-03-28
US12104257B2 (en) 2024-10-01
CN114555860B (zh) 2024-06-18
CN114555860A (zh) 2022-05-27
CA3151419A1 (en) 2021-05-06

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